SICK Science #075 - Colorful Convection Currents Convection is one of those words that we often hear used, but we may not completely understand its meaning. Weather forecasters show how convection currents are formed when warm and cold air masses meet in the atmosphere. Convection currents are responsible for warm water currents that occur in oceans. This activity demonstrates convection currents in a very colorful fashion. Read the entire experiment here: http://goo.gl/KztDXB | Steve Spangler